| Piromis robertsi (Hartman, 1951) |
| Poeobius Heath, 1930 |
| Poeobius meseres Heath, 1930 |
| Pycnoderma Grube, 1877 |
| Pycnoderma gracilis (Hartman, 1961) |
| Semiodera Chamberlin, 1919 |
| Semiodera caribea (Grube & Örsted, 1859) |
| Semiodera dubia (Treadwell, 1929) |
| Semiodera glabra Treadwell, 1928 |
| Semiodera glynni Salazar-Vallejo, 2012 |
| Semiodera inflata (Treadwell, 1914) |
| Semiodera roberti Hartman, 1951 |
| Semiodera salazarae Salazar-Vallejo, 2012 |
| Semiodera tovarae Salazar-Vallejo, 2012 |
| Siphonostoma Otto, 1821 |
| Siphonostoma villosum Rathke, 1843 |
| Siphonostomum Grube, 1859 |
| Siphonostomum cariboum Grube & Örsted, 1859 |
| Siphostoma Otto, 1821 |
| Siphostoma grande Blanchard, 1849 |